<?php

class BookController extends Controller
{
	/**
	 * @var string the default layout for the views. Defaults to '//layouts/column2', meaning
	 * using two-column layout. See 'protected/views/layouts/column2.php'.
	 */
	public $layout='//layouts/column2';

	/**
	 * @return array action filters
	 */
	public function filters()
	{
		return array(
			'accessControl', // perform access control for CRUD operations
		);
	}

	/**
	 * Specifies the access control rules.
	 * This method is used by the 'accessControl' filter.
	 * @return array access control rules
	 */
	public function accessRules()
	{
		return array(
			array('allow',  // allow all users to perform 'index' and 'view' actions
				'actions'=>array('index','view'),
				'users'=>array('*'),
			),
			array('allow', // allow authenticated user to perform 'create' and 'update' actions
				'actions'=>array('create','update'),
				'users'=>array('@'),
			),
			array('allow', // allow admin user to perform 'admin' and 'delete' actions
				'actions'=>array('admin','delete'),
				'users'=>array('admin'),
			),
			array('deny',  // deny all users
				'users'=>array('*'),
			),
		);
	}

	/**
	 * Displays a particular model.
	 * @param integer $id the ID of the model to be displayed
	 */
	public function actionView($id)
	{
		$this->render('view',array(
			'model'=>$this->loadModel($id),
		));
	}
	
	/**
	 * Creates a new model.
	 * If creation is successful, the browser will be redirected to the 'view' page.
	 */
	public function actionCreate()
	{
		$model=new Book;
		// Uncomment the following line if AJAX validation is needed
		// $this->performAjaxValidation($model);

		if(isset($_POST['Book']))
		{
			$model->attributes=$_POST['Book'];
			$this->uploadfiles($model);
			$model->iduser = Yii::app()->user->getId();
			$model->createddate = date('Y-m-d');
			 if($model->save()){
				$this->updateBookGenre($model);
				$this->redirect(array('view','id'=>$model->idbook));
			 }
			Yii::app()->end();
		}

		$this->render('create',array(
			'model'=>$model,
		));
	}
	
	private function uploadfiles($model)
	{		
			$pathresource = "resource/";
			$pathimage = "imagebooks/";
			$resources = CUploadedFile::getInstancesByName('resources');
			if (isset($resources) && count($resources) > 0){
				foreach ($resources as $rc) {
					$rc->saveAs(Yii::getPathOfAlias('webroot')."/".$pathresource.$rc->name,true);
				}
				$model->resource = $pathresource.$rc->name;
			}
			$images = CUploadedFile::getInstancesByName('images');
			if (isset($images) && count($images) > 0){
				foreach ($images as $image) {
					$image->saveAs(Yii::getPathOfAlias('webroot')."/".$pathimage.$image->name,true);
				}
				$model->urlimage = $pathimage.$image->name;
			}
			
			
	}
	
	private function createdir()
	{
		// make the directory to store the pic:
		if(!is_dir(Yii::getPathOfAlias('webroot').$pathresource)) {
			mkdir(Yii::getPathOfAlias('webroot').$pathresource);
			chmod(Yii::getPathOfAlias('webroot').$pathresource, 0755); 
		// the default implementation makes it under 777 permission, which you could possibly change recursively before deployment, but here's less of a headache in case you don't
		}
		if(!is_dir(Yii::getPathOfAlias('webroot').$pathimage)) {
			mkdir(Yii::getPathOfAlias('webroot').$pathimage);
			chmod(Yii::getPathOfAlias('webroot').$pathimage, 0755); 
		// the default implementation makes it under 777 permission, which you could possibly change recursively before deployment, but here's less of a headache in case you don't
		}
	}
	
	private function updateBookGenre($model){
		BookGenre::model()->deleteAll('idbook ='.$model->idbook);
		$checkedlist = $_POST['Genre']['name'];
		if(isset($checkedlist))foreach($checkedlist as $item){
			$bg = new BookGenre; $bg->idbook = $model->idbook;$bg->idgenre = $item;$bg->save();
		}
		// echo 'idbook ='.$model->idbook;
		// Yii::app()->end();
	}
	
	/**
	 * Updates a particular model.
	 * If update is successful, the browser will be redirected to the 'view' page.
	 * @param integer $id the ID of the model to be updated
	 */
	public function actionUpdate($id)
	{
		$model=$this->loadModel($id);

		// Uncomment the following line if AJAX validation is needed
		// $this->performAjaxValidation($model);

		if(isset($_POST['Book']))
		{
			$model->attributes=$_POST['Book'];
			$this->uploadfiles($model);
			if($model->save()){
				$this->updateBookGenre($model);
				$this->redirect(array('view','id'=>$model->idbook));
				
			}	
		}

		$this->render('update',array(
			'model'=>$model,
		));
	}

	/**
	 * Deletes a particular model.
	 * If deletion is successful, the browser will be redirected to the 'admin' page.
	 * @param integer $id the ID of the model to be deleted
	 */
	public function actionDelete($id)
	{
		
		if(Yii::app()->request->isPostRequest)
		{
			BookGenre::model()->deleteAll('idbook ='.$id);
			// we only allow deletion via POST request
			$this->loadModel($id)->delete();

			// if AJAX request (triggered by deletion via admin grid view), we should not redirect the browser
			if(!isset($_GET['ajax']))
				$this->redirect(isset($_POST['returnUrl']) ? $_POST['returnUrl'] : array('admin'));
		}
		else
			throw new CHttpException(400,'Invalid request. Please do not repeat this request again.');
	}

	/**
	 * Lists all models.
	 */
	public function actionIndex()
	{
		$dataProvider=new CActiveDataProvider('Book');
		$this->render('index',array(
			'dataProvider'=>$dataProvider,
		));
	}

	/**
	 * Manages all models.
	 */
	public function actionAdmin()
	{
		$model=new Book('search');
		$model->unsetAttributes();  // clear any default values
		if(isset($_GET['Book']))
			$model->attributes=$_GET['Book'];

		$this->render('admin',array(
			'model'=>$model,
		));
	}

	/**
	 * Returns the data model based on the primary key given in the GET variable.
	 * If the data model is not found, an HTTP exception will be raised.
	 * @param integer the ID of the model to be loaded
	 */
	public function loadModel($id)
	{
		$model=Book::model()->findByPk($id);
		if($model===null)
			throw new CHttpException(404,'The requested page does not exist.');
		return $model;
	}

	/**
	 * Performs the AJAX validation.
	 * @param CModel the model to be validated
	 */
	protected function performAjaxValidation($model)
	{
		if(isset($_POST['ajax']) && $_POST['ajax']==='book-form')
		{
			echo CActiveForm::validate($model);
			Yii::app()->end();
		}
	}
}
